Vocabulary
the answer to a multiplication problem
a product
12+5-8
9
x+5=9
x=4
x+20+2x=56
x=12
x<3 in interval notation
(-infinity, 3)
a fraction flipped over
reciprocal
12/3(7-3)
1
-5x=-40
x=8
-2x+12=17
x=-5/2
x-7>10 interval notation
(17, infinity)
difference between an inequality and an equation
Equation both sides are equal. Inequality one side is less than or greater than the other.
(3/4)(5+7)
9
3x+8=29
x=7
4(2-4x)-3x=65
x=-3
-2t-5<3 as an inequality
t>4
4 mathematical operations
addition, subtraction, multiplication, division
(3*5-9)/(25-13)
1/3
(3/4)x-1=8
x=12
2(3x+2)=10+4x
x=3
x+4<2 or 4x>12 as inequalities
x<-2 or x>3
two numbers that when multiplied the result is 1
multiplicative inverses
3(5+7)-5(3+7)-7(3+5)
-70
(x+1)/3=4
x=11
2x+x+5=3x-3
No Solution
5<2x-7<13 in interval notation
(3, 10)